| Olney to Castrovillari | 4,716.92 mi (7,591.15 km) |
| Olney to Catania | 4,755.82 mi (7,653.76 km) |
| Olney to Catanzaro | 4,769.90 mi (7,676.41 km) |
| Olney to Cattolica | 4,414.00 mi (7,103.65 km) |
| Olney to Cava de' Tirreni | 4,617.35 mi (7,430.90 km) |
| Olney to Cavallino | 4,785.38 mi (7,701.32 km) |
| Olney to Cavarzere | 4,345.94 mi (6,994.11 km) |
| Olney to Cave | 4,498.68 mi (7,239.92 km) |
| Olney to Cavriago | 4,294.43 mi (6,911.22 km) |
| Olney to Cavriglia | 4,375.55 mi (7,041.77 km) |
| Olney to Cazzago San Martino | 4,243.66 mi (6,829.51 km) |
| Olney to Ceccano | 4,525.29 mi (7,282.76 km) |
| Olney to Cecina | 4,340.21 mi (6,984.89 km) |
| Olney to Cefalu | 4,686.59 mi (7,542.33 km) |
| Olney to Ceglie Messapico | 4,742.01 mi (7,631.52 km) |
